FR2233708A1 - Low pressure metal vapour discharge lamp - has metal envelope with sealed in electrodes in two opposite envelope points - Google Patents
Low pressure metal vapour discharge lamp - has metal envelope with sealed in electrodes in two opposite envelope pointsInfo
- Publication number
- FR2233708A1 FR2233708A1 FR7321421A FR7321421A FR2233708A1 FR 2233708 A1 FR2233708 A1 FR 2233708A1 FR 7321421 A FR7321421 A FR 7321421A FR 7321421 A FR7321421 A FR 7321421A FR 2233708 A1 FR2233708 A1 FR 2233708A1
- Authority
- FR
- France
- Prior art keywords
- envelope
- metal
- electrodes
- sealed
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/103—Shields, screens or guides arranged to extend the discharge path
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7321421A FR2233708A1 (en) | 1973-06-13 | 1973-06-13 | Low pressure metal vapour discharge lamp - has metal envelope with sealed in electrodes in two opposite envelope points |
AU69628/74A AU6962874A (en) | 1973-06-13 | 1974-05-30 | Discharge lamp |
DE19742427734 DE2427734A1 (de) | 1973-06-13 | 1974-06-08 | Nieder- oder mitteldruck-metalldampfentladungslampe und verfahren zur herstellung |
IT2380974A IT1014924B (it) | 1973-06-13 | 1974-06-11 | Lampada a scarica speciale e proce dimento per la fabbricazione della stessa |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7321421A FR2233708A1 (en) | 1973-06-13 | 1973-06-13 | Low pressure metal vapour discharge lamp - has metal envelope with sealed in electrodes in two opposite envelope points |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2233708A1 true FR2233708A1 (en) | 1975-01-10 |
FR2233708B1 FR2233708B1 (fr) | 1978-09-08 |
Family
ID=9120862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7321421A Granted FR2233708A1 (en) | 1973-06-13 | 1973-06-13 | Low pressure metal vapour discharge lamp - has metal envelope with sealed in electrodes in two opposite envelope points |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU6962874A (fr) |
DE (1) | DE2427734A1 (fr) |
FR (1) | FR2233708A1 (fr) |
IT (1) | IT1014924B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6230282Y2 (fr) * | 1978-01-26 | 1987-08-04 | ||
JPH01243361A (ja) * | 1988-03-25 | 1989-09-28 | Toshiba Electric Equip Corp | 面状けい光ランプ |
DE29510238U1 (de) * | 1995-06-23 | 1995-11-02 | Emde Thomas | Fenster |
-
1973
- 1973-06-13 FR FR7321421A patent/FR2233708A1/fr active Granted
-
1974
- 1974-05-30 AU AU69628/74A patent/AU6962874A/en not_active Expired
- 1974-06-08 DE DE19742427734 patent/DE2427734A1/de active Pending
- 1974-06-11 IT IT2380974A patent/IT1014924B/it active
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
AU6962874A (en) | 1975-12-04 |
IT1014924B (it) | 1977-04-30 |
FR2233708B1 (fr) | 1978-09-08 |
DE2427734A1 (de) | 1975-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |